342040303 has 4 divisors (see below), whose sum is σ = 373134888. Its totient is φ = 310945720.

The previous prime is 342040273. The next prime is 342040331. The reversal of 342040303 is 303040243.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 342040303 - 2⁹ = 342039791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342040343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15547276 + ... + 15547297.

It is an arithmetic number, because the mean of its divisors is an integer number (93283722).

Almost surely, 2^342040303 is an apocalyptic number.

342040303 is a deficient number, since it is larger than the sum of its proper divisors (31094585).

342040303 is a wasteful number, since it uses less digits than its factorization.

342040303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31094584.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 342040303 is about 18494.3316451285. The cubic root of 342040303 is about 699.3465350643.

Adding to 342040303 its reverse (303040243), we get a palindrome (645080546).

The spelling of 342040303 in words is "three hundred forty-two million, forty thousand, three hundred three".